Mechanical movement.



T- A. c; Boni. MBHANIGAL MOVEMENT.

I Y APPLIATIQN FILED 00T. 10l 1910. Y 1,015,869, Patented Jan. 3o, 1912.

2 SHEETS-SHEET 1,

WITNESSES T. A. C. BOTH.

l MECHANICAL MOVEMENT.

APRLIoATIoN HLBD 00T. 1o, 1910.

1,015,869. n Patented Jan. 30,1912. l

2 SHEETS-SHEET 2.

#bmah/vm,

.UNITED sTATEs rATENT oEEicE.

TONJES AUGUST CARL BOTH, OF NEW YORK, N. Y., ASS-IGNOR TO I DAROSIENHEIIYI,A

OF NEW YORK, N. Y.

MECHANICAL MOVEMENT.

Specification of Letters Patent.

Patented Jan. 30,1912.

To all 'whom 'it may concern Be it known that I, ToNJEs AUGUST CARLBOTH, a citizen of the United States, and a resident of New York, in thecounty of New York and State of New York, have invented certain new anduseful Improvements in Mechanical Movement or Means for ConvertingMotion, (Case H,) of which the following is a specification, taken inconnection with the accompanying drawings, which form a part of thesame.

This invention relates to mechanical movements adapted for universalapplication and more particularly for converting reciprocating to rotaryvor racking motion, and is an improvement upon U. S. patent granted Jan.30, 1906 to Ralph A. Schoenberg, as the assignee of Charles J. Klein,No. snare.y 1 i I have shown mymecha-nical movement operating' a.pendantswitch and adapted to make and break the circuit therein, thoughit is to be distinctly understood that my invention is not to be limitedto this or any other particular use. l

My invention further relates to a pendant switch which includes mymechanical movement, all of which will be hereinafter described in thespecification and pointed out in the claims.

In the accompanying drawings showing illustrative embodilnents of myinvention, and in which the same reference numerals refer to similarparts in the several figures, Figure 1 is a top view of my inventionused as a pendant switch, the cap and insulating disk being removed;Fig. 2 is a vertical section on the line 2-2 of Fig. l. illustrating myinvention used as a pendant switch; Fig. 3 is a horizontal section online 3-3 of Fig. 2; Fig. 4; is a vertical section substantially on theline 44 of Fig. i2; Fig. 5 is a detail perspective view of the rotary orrocking body driven member; Fig. 6 isa side elevation of my vpendantswitch, the cap being removed from the insulating protecting base, thelocking rings being. shown in section; Fig. 7 is a detail persoecti-veview of one of the tension members; Fig. 8 is a detail perspectiveviewof the preferred form of movable contact; Fig. 9 is a detail Viewof'one of the binding posts; Fig. 10 'is a side elevatio'n of the otherbinding post;`

Fig. 11 is a view of the blank from which the support is made; Fig. 12is a pers ective view of the support made from the b ank shown in Fig.'V11; Fig. 13 is a detail plan view of the fiber bridge piece; Fig. 14

isa f'ra modifie form showing a different manner ofcon'necting the capto the base; and Fig. 15 is a "pere ective View -of the/screw threadedplate ornut which is used in the construction shown in Fjg. 14..

In the illustrative embodiments of the invention Ishown in the drawing,l is a pendant .switch which includes my mechanical movement to operatethe movable contact 2, Figs. 1 and 8. It is, of course to be understood,however, that my mechanical movement is not to be limited in use tooperating a movable contact of an electric switch.-

-Mymechanical movement consists essentially of a rocking driven member3, Figs.

2, 4 and 5 which is provided between its entary detail sectional yiew of,afi

ends with a paii` fecoperat-ing inclined surfaces 4 and 5 havingaclilmon meeting edge 8. I also preferably provide the rockving drivenmember with another pair of cooperating inclined surfaces 6 and 7 havinga similar common meeting edge l0.

Upon preferably each pair of inclined surfaces 4, 5 and 6, 7, aresilient member 12 is caused to operate, one resilient member for eachpairV of inclined surfaces, Figs. 2 and 7 though it is to Ybeunderstood, of course, that my invention will voperate successfully withonly one pair of inclined surfaces and one resilient member cooperatingwith both inclined surfaces. These resilient members 12 are preferablyformed out of a single piece of metal such 'as spring metal, preferablystamped out ofy a single piece and bent into the position shown so thatthey will preferably, though not necessarily, be composed of two sidemembers 13 and 14, the meeting surfaces of these two side members beingpreferably formed in a segment of a circle l5, to add additionalstrength to the resilient member 12 and to increase its resiliency andlongevity. One of the side members 13 is provided. with a laterallyextending finger 10 which lies in an aperture within the reciprocatingmember 17 or 18 which is the preferred means 'of securing the resilientmember to the re- `ciprocatimg; member. AThe other side membei* 14 hasits end 19 preferably bent slightly `Athe point 21 on the surface 5.

back upon'itself to form a curved engaging surface to contact with theinclined surfaces 4, and (i, 7 of the rocking driven member 5, it beingunderstood that the end 19 of one resilient member will cooperate withonly each pair of inclined surfaces passing over their meeting edges toget from one inclined surface to the other inclined surface of thatpair. It is, of course, to be understood that the rounded end of thetension member 12 may be omitted and that the signal integral spring maybe otherwise shaped or formed without departing from my invention.

The rocking driven member 3 is supported in any suitable manner whichwill permit it to have free rocking movement, but prevent any lateralmovement on its part. One or both, if two are used, of the resilientmembers 1 2 are reciprocated so that the spring member or" members willcontact with each pair of inclined surfaces 4, 5, and 6, 7 which willcause the rocking driven member 3 to alternately rock with a quick snap,which can be used for many different purposes and in many locationswhere such a movement is desirable. For purposes of illustration I haveshown the alternate rocking of the rocking driven member 3 alternatelyrocking the movable electrical contact 2.

ln using simply one of the resilient members 12 with the rocking drivenmember 3, the reciprocation of the tension member, which -for purposesof illustration We will assume has its member 19 resting upon thesurface 20, Fig, 5, of the rocking driven member will cause this member19 to slide upon the inclined surface 4 until it reaches substantiallythe edge or point 9 when the member 19 of the resilient member 12 willinstantly fly over or snap onto vWhile this resilient member is movingfrom the point 29 to the point 9, the side member 14 is made to approachthe side member 13 and store up energy in the resilient member. Thisenergy is instantly released by the side member 14 springing away fromthe side member 13 the moment that the engaging surface 19 of theresilient member passes or snaps from the point 9, Fig. 5, to the point21 on the surface This Inovemcnt, of course, will cause the rockingdriven member 3 to rock with an instantaneous snap. i

When the engaging surface 19 of the resilient member 12 is reciprocatedfrom the point designated 21 on the surface 5 to thc point designatcd20,Fig. 5, on the surface 4, it will travel along the inclined surface 5until it reaches substantially the point 11, the side member 14 beingmeanwhile caused to approach the side member 13, nwhen the engagingsurface 19 of the side member 14 will fly or'snap instantly -ver ontothe pointdesignated 20 on the other surface 4, thereby again rocking themember 3 with a quick snap but in the reverse direction from thatpreviously described.

The cooperating inclined surfaces 4, 5 and 6, 7 are preferably formed asillus- "trated inthe drawing to permit the cumulative action of theresilient members 12, 1.2 to positively operate the rocking drivenmember 3. This alternate, or reverse reciprccaticn, of the resilientmembers 12, 12 may be accomplished in various ways. For purposes Yofillustration I have shown each of them mounted upon the reciprocatingmembers 17 and 1S, which are, in turn, connected to each other in anysuitable manner such as by a lever 22; this will insure that as one ofthe resilient members 12 is moved from the point 20 to the point 21,Fig. 5, the otherresilient member 12 will be simultaneously operated inthe reverse direction. The two ends 82, 82 of the lever 22 cooperatewith enlarged apertures or openings 83, 83 in the reciprocating members17 and 18. It is, of course, to be understood that the movement of thesecond resilient member on the second pair of inclined surfaces 6, 7will be exactly similar' to the action just described, except thereeiprocation will be reversed.

While my mechanical movement or means for converting motion is adaptedfor general application, I have for the purpose of this applicationshown it in combination with 'and as the operating mechanism of apendant. This pendant. switch 1 includes a single yhollow insulatingbase 23 in which my mechanical movement, and the movable contact 2 beingall the operating mechanism of the pendant switch, are received andthoroughly protected. Preferably, though not necessarily, thisinsulating base is formed cylindrical and is provided at one endwith/two openings 24 and 25 within which operate the recilirocatingmembers 18 and 17 which, when myvinvcntion is used as a pendant switch,are push buttons.

On the interior of the insulating base 23 l form an annular flange 2Gupon which they support 27, Fig. 12, rests. This support is preferablyformed out of stamped sheet metal and from a blank 28, Fig. 11. llVhenthis blank is bent into' the shape shown in Fig. 12, to form thecolnplete support, 'it comprises legs 29, 29 which are apertured at 30,30 for the reception of .the axle or arbor 31, Figs. 2 and 4, upon whichthe lever 22 is mounted. Connecting these legs 29, 29 is the crosspiece. 32 having an integral arm 33 which is bent down between thelegs29, 29

to be substantially at right angles to the' cross piece 32andfurthermore it is apertured at 34 to form a bearing for the concentrictrunmon 35 of the rotating or rocking body driven member 3, Figs. 2, 4and 5,

it being understood that the pairs of coperating inclined surfaces 4,5and 6, 7 arevarranged eccentric to the trunnions 35 and 40.

To prevent the support 27 from having relative movement to theinsulating base 23 within which it is mounted, which would beobjectionable, I preferably form the legs 29, 29 of sufficient length torest upon the inturned flange 26 and to let their otherV ends 36,36-substantially coincide with the horizontal shelf 37 formed in theupper portion of the single insulating base 23. Resting upon this shelf37 and contacting With the ends 36, 36 of the support 37, I mount anysuitable holding plate, preferably in the form of a fiber bridge 38,Figs. 4 and 13. This bridge plate is apertured at 39 to form a bearingfor the other concentric trunnion 40, Figs. 4 and 5. This trunnion 40 iseX- tended and preferably formed with a non- .circular portion 4l, Fig.5 and with a screw threaded portion 42. Upon the non-circular portion 41I mount the movable contact 2 which is provided with a non-circularaperture 43, Fig. 8 to 'lit over the portion 41. This movable contact 2is preferably formed of two plates 44, 44 of conducting materialpreferably stamped out of sheet metal and connecting by a piece 45, Fig.8. It is therefore provided at each end 46, 47 with a bifurcated armadapted to receive between the plates 44, 44 the fixed Acontacts 48 and49.

The fixed contact 48 is preferably formed of an integral portion of thebinding post 50, Figs. 1 and 9, the post having two screw threads 51,52, the former to coperate with the screw threads upon the locking screw53, Fig. 4 .vhich is passed up through the opening 54 in the base 23.Similar screws 53 are used to secure the binding post- 57. The ends ofthese screws 53 pass through the plate or fiber bridge 38 which isimmovably secured to the base 23 by the same binding screws 53, as holdthe binding posts 50 and 57 in their proper position. The movablecontact 2 is kept in its proper position on the non-circular portion 41of the rotary or rocking body driven member in any suitable manner suchas by the nut 55.

After the parts are all in their proper position in the single inclosingand protecting insulating base 23, I preferably mount over them aninsulating disk 56 preferably of mica, Fig. 3. To secure this disk inposition a-nd prevent its displacement I use these binding posts whichare of peculiar configuration. Y

The binding post 57 to which is connected the fixed contact 49 isprovided with an upwardly extending arm 58 provided with a slot 59. Inpositioning the insulating disk of mica, or other suitable material 56,after the mechanism has been inserted inthe insulating protecting base23, I place one edge of 1t in the slot 59, bringing it substantiallylhorizontal with the shelf 37 and then bend down the end 60 of anupwardly extending arm 61 preferably formed integral with the bindingpost 50, Fig. 9.

fter'my mechanical switch has been 1nstalled in the insulating base 23so that it is thoroughly housed and protected, I close the upper portionof the insulating member 23 v by means of a cap 62 preferably ofinsulating material and preferably the same as that of the base 23. Thefeed Wires 63 and 64 are passed through the,4 mouth 65 in the top ofthecap and around a bridge piece 66, their ends being then connected withthe re- .spective binding screws 67 and 68. Instead of knotting the feedwires 63 and 64 forming a knot which ordinarily couldrnot be easilypulled through the opening 65 in the" to connect the feed wires isreduced and consequently the cost of labor, besides saving theadditional wire which would be used to form a knot.

The cap 62 may be connected to the insulating base 23 in various ways. Imay for example provide the cap 62 with an opening (59 for the receptionof the screw 70, Fig. 14, and provide the base with cross holes 71, onecross hole for each screw 70; it of course being understood that theconstruction shown in` F ig. 14 is duplicated. 1V ithin these crossholes 71 I may mount any suitable plate or other member. such as a nut72 which will coperate with the screw threaded end ofthe screw 70, andin this manner connect the cap to the insulating oase 23. I have foundin practice, however, that it is much more expensive to'cast porcelainor other insulating material of which the base would be formed withcross holes, and furthern'iore it is if'eryxliflicult to plug up theopenings such as 69 and the cross holes 71 with wax, composition, or

other material, which willliave the same Y color as that of the cap(i2-and base 23, it

heilig understood, of course, that preferably the insulating cap andbase are glazed to present a neat and handsome `appearance. andsometimes the glaze is given any desired color. Pluggingupthesediiferent openings with materials varying in color or shade fromthe insulating base and cap, for it is 4'impossible to absolutely vmatchthe color t pulled away from the binding screws 67 and 68 and materiallyre- (luces the cost of installation in that the time ofthe glaze on thecap and base, mars the appearance of the pendant switch. To overcomethis objection and to obtain a better' and cheaper construction l, inthe preferred form of my invention, form an annular flange 73 upon theinsulating` base Q3 and a'similar annular liange 7% upon the insulatingcap (3Q, Figs. Q, 4; and 6. To cooperate with these franges so that thecap (32 and base may be positively connected together, l may use anysuitable locking means. Preferably I use two locking rings 75 and 76,the ring`75 having a reduced portion 77 to fit over the flange 7l on thecap, and the ring 7G having a similar reduced portion 78 to perform thesame function with the annular tlange 73 on the insulating base 23.rlf'hese rings may be formed with any suitable cooperating lockingsurfaces. I have found in practice that a very efficient cooperatinglocking surface are screw threads, the female thread being formed uponone of the locking rings, for example thev locking ring 75, and the malelocking screw thread being formed for example on the other locking ring76,

though of course this arrangement may bev reversed, or any othersuitable locking rings or members may be used.

To `ive a neater appearance to my pendant switch and to protect the pushbuttons 17 and 18 from accidental blows, and also to very largelyconceal them, l provide the under surface of the insulating base orreceptacle 223 with downwardly extending ears 79, 79, Figs. 4. and 2.very citer-"tally conceal the push buttons exceptwhen the observer is inline with both push buttons.

To permit the cap to be readily seated and properly positioned withrelation to the base 2f-E, and also to prevent relative rotation betweenthe cap and base, I preferably, though not necessarily` Jform a recess8() on the upper portion of tht-,base Q23 and a tongue S1 on the lowerportion of the cap ($2 Yto litwithin thc-recesses SO of the base 23,though of course, it' is to be understood that this arrangement may bereversed, or any other similar means may be used, or that such grooveand tongue may be omitted without departing from my invention.

ln my pendant switch preferably no metallic or other covering is used toincase the base 23 andcap (32, orany portion of them. ()n theconti-mythe insulating` base and cap are preferably glazed as previouslynoted, or decorated iny any suitable way so as to present an artist icappearance. 'lhe cost therefore of a metallic. casing is dispensed withand if the base and cap are glazed they present a surface which can b eeasily cleaned. When locking rings ai'e used such as 75 and 7f3, theymay be formed ol' dit- ;l'crcnt materialaml if of metal they would Theseears serve tov 1,ois,sco

tend to enhance the appearance and beauty of the pendant. switch.

It. will be further noted that the insulating inelosing base 3 inaddition to inclosing and protecting the mechanical movement also servesas a guide for the push buttons 17 and 1S.

By using my invention a quick. or instan,n taneous make of theelectrical eurreftt, as well as a quicker instantaneous break of it, isinsured, preventing arcing or burning out of the mechanism.

Having thus described this invention in connection with the illustrativeembodiments thereof to the details of which l do not. desire to belimited, what is claimed as new and what is desired to secure by LettersPatent is set forth in the appended claims:

1. An article of manufacture for a pendant switch consisting of a pushbutton provided with an opening, and with a substaib tially V-shapedresilient member-having two side members, one side member being providedwith a laterally extending linger secured in the opening in the pushbutton`, the other member being provided with an operating surface.

2. 1n a pendant switch the combination of a hollow insulating receptacleadapted to re"-` ceive and entirely protect the switch mech# anism, asupport mounted in the receptacle and provided with a bearing for therocking driven member, a rocking driven meinber having cope atinginclined surfaces at,`

an angle to the longitudinal axis of the driven member and having acommon edge also at an angle to the longitudinal axis of the drivenmember, a ,bridge plate provided with an aperture to form the otherbearing for the rocking driven member, a movable contact carried by therocking driven member, fixed contacts with which it cooperates, meanstoliold the fixed contacts and the bridge piece within the insulatingbase or receptacle, connected push buttons, a resilient member carriedby one of the push buttons and adapted to contactwith both inclinedsurfaces on the driven member to store. up energy in the resilientmember to rock the driven member.

8. 1n a pendant switch the combination of a hollov/ insulatingreceptacle adapted to receive and entirely protect the switch mechanism,a support mounted in the receptacle and provided with a bearing .tor therock ing driven member, a rocking driven mem ber having two pairs ofeoperating inclined' surfaces, each pair having a common meeting edge, abridge plate provided with an aperture to form the other` bearing forthe rocking driven member, a movable contact carried by the rockingdriven member, xed

contacts with which it cooperates, means to hold the txed contacts andthe bridge piece within the insulating base or receptacle,

rocking driven member, a hollow insulating cap, and means to secure the`cap to the hollow insulating base.

4. In a pendantswitcli the combinationlof a rocking member, means tooperate it, a movable Contact mounted on the rocking member, a bindingpost provided with a fixed contact and an upwardly extending arm, a'second binding post provided with a iixed contact and an upwardlyextending slotted arm, and an insulating disk adapted 15 to coperateWith the v'slot in one binding post and Wit-h the upwardly extendin armof the other binding post which is a apted to be bentdoWn over it.

TONJES AUGUST CARL BOTH.

lVitnesses':

BENJ. STRAUss, LEON STRAUss.

